import { request } from "./http";

export interface ClientAddress {
  line1: string | null;
  line2: string | null;
  postal_code: string | null;
  city: string | null;
  country_code: string | null;
  full_address?: string;
}

export interface Client {
  id: number;
  client_category_id: number | null;
  type_label?: string;
  name: string;
  vat_number: string | null;
  siret: string | null;
  email: string | null;
  phone: string | null;
  billing_address: ClientAddress;
  group_id: number | null;
  notes: string | null;
  is_active: boolean;
  default_tva_rate_id: number | null;
  created_at: string;
  updated_at: string;
}

export interface ClientListResponse {
  data: Client[];
  meta?: {
    current_page: number;
    last_page: number;
    per_page: number;
    total: number;
  };
}

export interface ClientResponse {
  data: Client;
}

export interface CreateClientPayload {
  client_category_id?: number | null;
  name: string;
  vat_number?: string | null;
  siret?: string | null;
  email?: string | null;
  phone?: string | null;
  billing_address_line1?: string | null;
  billing_address_line2?: string | null;
  billing_postal_code?: string | null;
  billing_city?: string | null;
  billing_country_code?: string | null;
  group_id?: number | null;
  notes?: string | null;
  is_active?: boolean;
  default_tva_rate_id?: number | null;
}

export interface UpdateClientPayload extends Partial<CreateClientPayload> {
  id: number;
}

export const ClientService = {
  /**
   * Get all clients with pagination
   */
  async getAllClients(params?: {
    page?: number;
    per_page?: number;
    search?: string;
    is_active?: boolean;
    group_id?: number;
  }): Promise<ClientListResponse> {
    const response = await request<ClientListResponse>({
      url: "/api/clients",
      method: "get",
      params,
    });

    return response;
  },

  /**
   * Get a specific client by ID
   */
  async getClient(id: number): Promise<ClientResponse> {
    const response = await request<ClientResponse>({
      url: `/api/clients/${id}`,
      method: "get",
    });

    return response;
  },

  /**
   * Create a new client
   */
  async createClient(payload: CreateClientPayload): Promise<ClientResponse> {
    // Transform the payload to match Laravel form request expectations
    const formattedPayload = this.transformClientPayload(payload);

    const response = await request<ClientResponse>({
      url: "/api/clients",
      method: "post",
      data: formattedPayload,
    });

    return response;
  },

  /**
   * Update an existing client
   */
  async updateClient(payload: UpdateClientPayload): Promise<ClientResponse> {
    const { id, ...updateData } = payload;
    const formattedPayload = this.transformClientPayload(updateData);

    const response = await request<ClientResponse>({
      url: `/api/clients/${id}`,
      method: "put",
      data: formattedPayload,
    });

    return response;
  },

  /**
   * Delete a client
   */
  async deleteClient(
    id: number
  ): Promise<{ success: boolean; message: string }> {
    const response = await request<{ success: boolean; message: string }>({
      url: `/api/clients/${id}`,
      method: "delete",
    });

    return response;
  },

  /**
   * Transform client payload to match Laravel form request structure
   */
  transformClientPayload(payload: Partial<CreateClientPayload>): any {
    const transformed: any = { ...payload };

    // Ensure boolean values are properly formatted
    if (typeof transformed.is_active === "boolean") {
      transformed.is_active = transformed.is_active ? 1 : 0;
    }

    // Remove undefined values to avoid sending them
    Object.keys(transformed).forEach((key) => {
      if (transformed[key] === undefined) {
        delete transformed[key];
      }
    });

    return transformed;
  },

  /**
   * Search clients by name, email, or other criteria
   */
  async searchClients(
    query: string,
    params?: {
      // Remove pagination parameters since we're not using pagination
      exact_match?: boolean;
    }
  ): Promise<Client[]> {
    const response = await request<{
      data: Client[];
      count: number;
      message: string;
    }>({
      url: "/api/clients/searchBy",
      method: "get",
      params: {
        name: query, // Changed from 'search' to 'name' to match your controller
        exact_match: params?.exact_match || false,
      },
    });
    return response.data; // Return just the data array
  },

  /**
   * Get active clients only
   */
  async getActiveClients(params?: {
    page?: number;
    per_page?: number;
  }): Promise<ClientListResponse> {
    const response = await request<ClientListResponse>({
      url: "/api/clients",
      method: "get",
      params: {
        is_active: true,
        ...params,
      },
    });

    return response;
  },

  /**
   * Toggle client active status
   */
  async toggleClientStatus(
    id: number,
    isActive: boolean
  ): Promise<ClientResponse> {
    const response = await request<ClientResponse>({
      url: `/api/clients/${id}/status`,
      method: "patch",
      data: {
        is_active: isActive,
      },
    });

    return response;
  },
};

export default ClientService;